Bob Seque / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

Files at this revision

API Documentation at this revision

Revision 9:673ec039aeb3, committed 2015-10-27

Comitter:
mbed_official
Date:
Tue Oct 27 15:45:10 2015 +0000
Parent:
8:69ce7aaad4c4
Child:
10:ea6854bec050
Commit message:
Synchronized with git revision 9caf79b8c933161312681c35584cb692c8ae422b

Full URL: https://github.com/mbedmicro/mbed/commit/9caf79b8c933161312681c35584cb692c8ae422b/

[NUCLEO_F042K6] remove external clock

Changed in this revision

targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/system_stm32f0xx.c Show annotated file Show diff for this revision Revisions of this file
targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_conf.h Show annotated file Show diff for this revision Revisions of this file 
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/system_stm32f0xx.c	Mon Oct 26 09:00:10 2015 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F042K6/system_stm32f0xx.c	Tue Oct 27 15:45:10 2015 +0000
@@ -117,8 +117,8 @@
   */
 
 /* Select the clock sources (other than HSI) to start with (0=OFF, 1=ON) */
-#define USE_PLL_HSE_EXTC (1) /* Use external clock */
-#define USE_PLL_HSE_XTAL (1) /* Use external xtal */
+#define USE_PLL_HSE_EXTC (0) /* Use external clock */
+#define USE_PLL_HSE_XTAL (0) /* Use external xtal */
 
 /**
   * @}
@@ -413,13 +413,13 @@
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_OscInitTypeDef RCC_OscInitStruct;
  
-  // Select PLLCLK = 48 MHz ((HSI 8 MHz / 2) * 12)
+  // Select PLLCLK = 48 MHz ((HSI 8 MHz) * 6)
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
   RCC_OscInitStruct.HSIState       = RCC_HSI_ON;
   RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSI; // HSI div 2
+  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSI;
   RCC_OscInitStruct.PLL.PREDIV     = RCC_PREDIV_DIV1;
-  RCC_OscInitStruct.PLL.PLLMUL     = RCC_PLL_MUL12;
+  RCC_OscInitStruct.PLL.PLLMUL     = RCC_PLL_MUL6;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
       return 0; // FAIL
   }

--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_conf.h	Mon Oct 26 09:00:10 2015 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_conf.h	Tue Oct 27 15:45:10 2015 +0000
@@ -147,7 +147,7 @@
 #endif /* LSE_VALUE */     
 
 #if !defined  (LSE_STARTUP_TIMEOUT)
-  #define LSE_STARTUP_TIMEOUT    ((uint32_t)5000)   /*!< Time out for LSE start up, in ms */
+ #define LSE_STARTUP_TIMEOUT    ((uint32_t)500)   /*!< Time out for LSE start up, in ms */
 #endif /* HSE_STARTUP_TIMEOUT */